MUTOH SC-650 User's Guide Page 49

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User’s Guide SC-PRO Cutting Plotter
CHAPTER 4 : WALKTHROUGH THE OPERATION PANEL
49
AP-75280 Rev. 1.2
4.2.4 Pre-Feed length
This parameter is directly related to the loading of ROLL FRONT / ROLL media. The Pre-Feed length or
SHUFFLE length has to be set before a roll is loaded.
There are three reasons for using a Pre-Feed Length:
1.
The length of media set for the Pre-Feed length parameter will be pulled off the roll, before the cutting
job starts. This will prevent media from being pulled off the roll at high speed and acceleration. High
speed can only be properly used on condition that the media can move freely, without having to be
pulled off the roll during a job.
2.
Before actually cutting starts the complete length of the media is shuffled back and forth through the
cutter, ensuring that the pressure rollers have a discrete path while the user has the time to verify if
the vinyl transport goes well.
3.
Your SC-Pro cutter has been equipped with MUTOH’s unique AUTO-SHEET-OFF feature, to
automatically cut off media at the end of a cutting sequence. Following an automatic PAGE command
or a manual PAGE command initiated via the control panel, the cutter will shuffle through the pre-set
Pre-Feed length of media, to ensure that there is enough media left for a possible replot. If there is
not enough media left, the cutter will stop before the end of the assigned media length and switches to
SHEET mode. The cutter will not initiate the media again in between two contour cutting jobs.
Pre- Feed Length
1000
[mm]
Save: Exit:
Pre-Feed Length 0 1000 - 10000 [mm]
The media will be fed 1 meter before the cutting job will start.
Notes
Please note that the use of the PRE-FEED LENGTH should not be regarded as a loss of time. If the
shuffle movement is executed without difficulty, the user can be convinced that the sign to be cut will be
executed with very little risk of media tracking problems. As such, it will result in a time-saving
operation, preventing that the user will have to re-cut a very complex design because of bad media
alignment.
Notes
Please note that the cutting range is not limited by the Pre-Feed Length which you have set. In case a
design, which exceeds the shuffle length, is sent to the cutting plotter, the cutter will react as follows:
o The first vector, which exceeds the limit, will be cut using reduced speed for the distance exceeding
the limit.
o The cutter will continue at the requested speed until the new limit is exceeded.
o However, this should not be a reason for you not to change the pre-feed length at all, as by omitting
to change it; you will be inhibited to check the full vinyl transport before the job is launched
o When there is an end of roll detection during the pre-feed, the cutter will automatically switch to
SHEET mode.
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